Redwood City, San Mateo, California Air Quality

Monitoring Station · Redwood City, United States
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
38 11pm
38
38
38 2am
38
38
38 5am
38
38
38 8am
38
38
38 11am
38
38
— 2pm
—
—
— 5pm
—
—
— 8pm
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—
CAMS model adj -16
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.56.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

37
Redwood City, San Mateo, California
0.0 km PM2.5: 8.9 µg/m³
14
Berkeley-Palo Alto
5.9 km PM2.5: 3.3 µg/m³
15
Emerald Hills
6.5 km PM2.5: 3.6 µg/m³
15
Acterra!
10.5 km PM2.5: 3.7 µg/m³
14
N Foothhill Blvd
21.4 km PM2.5: 3.3 µg/m³
13
Environment Education Center
22.6 km PM2.5: 3.1 µg/m³
16
JFK Middle School
23.4 km PM2.5: 3.9 µg/m³
18
Belle Air School
23.7 km PM2.5: 4.4 µg/m³

Nearby Cities

15 Redwood City 15 Menlo Park 17 San Carlos 14 East Palo Alto 14 Palo Alto 18 Belmont 20 Foster City 15 Los Altos 20 San Mateo

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:17 UTC.